.tab {
    width: 400px;
    height: 200px;
    background: #58a;
}

pre,
code {
    font-family: monospace;
    font-variant-ligatures: common-ligatures discretionary-ligatures historical-ligatures;
}

pre {
    font-family: Baskerville, "Goudy Old Style",
        Garamond, Palatino, serif;
    font-style: italic;
    tab-size: 2;
    display: block;
    margin: 1em 0;
    white-space: pre;
}